Process for the production of polyethylene materials

Details Process for the production of polyethylene materials Process for the production of polyethylene materials

1990-02-26

1991-06-25

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

264120, 264122, 264126, 2642103, 2642107, 2642108, 264320, 26433117, 264343, 525240, B29C 3502

Patent

active

050265113

ABSTRACT:
A process for producing a polyethylene material for use in products requiring high mechanical strength and high elastic modulus is disclosed. The process involves the use of a specific class of particulate polyethylenes having an intrinsic viscosity of 5-50 dl/g in decalin at 135.degree. C. and the steps of compression molding, solvent immersing, solid-phase extruding or rolling and finally drawing the material in that order.

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patent: 4655769 (1987-04-01), Zachariades
patent: 4769433 (1988-09-01), Chanzy et al.
patent: 4800121 (1989-01-01), Ohta et al.
patent: 4820466 (1989-04-01), Zachariades
patent: 4824619 (1989-04-01), Okada et al.
patent: 4833172 (1989-05-01), Schwarz et al.
patent: 4853427 (1989-08-01), Herten et al.
patent: 4879076 (1989-11-01), Sano et al.

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